CPC3 Steuergerät Mercedes-Benz-Truck Atego-II

A faulty control unit can bring entire vehicle systems to a standstill – often without warning. Revonik will repair your CPC3 control unit Professional service, delivered in 2–4 working days, and up to 70% cheaper than buying new.

Common fault patterns

  • No communication with the control unit possible
  • Various CAN bus faults, either intermittent or persistent
  • System failure or warning light remains on
  • The vehicle won't start or cuts out whilst driving
  • Further errors available on request

Why Revonik?

Our technicians have been repairing control units for over 12 years – at circuit board level, not simply by replacing them. Your original unit is retained, the vehicle-specific coding is saved, and there is no need to have it reprogrammed at the dealership.

  • Up to 70 % cheaper than buying new from the manufacturer
  • Plug & Play – fit it straight away, drive straight away
  • Repair within 2–4 working days of receipt of the device
  • 24-month warranty on the repair work

Frequently Asked Questions

Does the device need to be reprogrammed after repair?
In most cases, no. The vehicle-specific coding remains fully intact following our repair. Should recoding be necessary in any individual case, we will inform you in advance.

What happens if the device cannot be repaired?
We will inform you of the diagnosis and, in this case, will only charge the standard diagnostic fee of €69.00 (including VAT). The device will be returned to you on request.

How long will the repair take?
Standard repairs take 2–4 working days from receipt of the device. An express service is available on request.

Services

How does the repair process work at Revonik?

  1. Please fill out the repair order form and include it in the package.
  2. Pack the device securely and send it to us. We recommend shipping via DHL. No prior notification is necessary.
  3. We will perform a fault diagnosis. If the fault is one of the standard faults listed above, we will repair the part. If the fault is not a standard fault, we will contact you to discuss the next steps.

Prices for the repair:

  • 69,00 €Test
  • 690,00 €Repair
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2-year warranty

Bekannte Fehler & Codes

Manufacturers
Error code
Known errors
Commercial vehicle
B60D03
Component “B48” has a short circuit to positive
Commercial vehicle
CF040E
The CAN bus (CAN 4 (Drive CAN)) is malfunctioning
Commercial vehicle
ADFFEE
The A3 (CPC) control unit is faulty
Commercial vehicle
0DF0E4
The power supply to component B1 is short-circuited to earth
Commercial vehicle
2AF3EE
Automatic shifting not possible
Commercial vehicle
25F0E4
Component B1 is short-circuited to earth
Commercial vehicle
29F3EE
Revised gear determination
Commercial vehicle
5B0002
Component B1 is faulty
Commercial vehicle
6F0005
Component B47 has an open circuit, a short circuit to positive or a short circuit to earth
Commercial vehicle
However, fault codes stored outside the CPC3 control unit indicate that the CPC3 control unit is faulty
Commercial vehicle
710202
The CAN signal from control unit A3 (CPC) is missing in the ACM (A60)
Commercial vehicle
E0FEFF
CAN communication with component A3 (CPC) has been interrupted
Commercial vehicle
CAN bus faults in various control units
Commercial vehicle
Unable to communicate with the TCM control unit
Commercial vehicle
Unable to communicate with the ACM control unit
Commercial vehicle
Unable to communicate with the CPC control unit
Commercial vehicle
The engine occasionally fails to start
Commercial vehicle
580604
Pin A3.X4.40/29 on the 'A3 (CPC) control unit' is short-circuited to earth
Commercial vehicle
B70D03
Component B79 (gearbox oil temperature sensor) or B87 (coolant pressure control sensor) has a short circuit to positive
Commercial vehicle
63F3EE
Drive Control Unit (CPC) – Incorrect parameters
Commercial vehicle
3F0A08
Signal line 2 of component B1 has an open circuit, a short circuit to positive or a short circuit to earth
Commercial vehicle
ACFFEE
The A3 control unit (CPC) is faulty.
Commercial vehicle
A8FFE3
The A3 control unit (CPC) is faulty.

Commercial vehicle part numbers

Commercial vehicle part numbers

A0034462802A0034462902A0034463002A0034463102A0034466002A0034466102A0034466302A0034466402A0034466502A0034467002A0034467102A0034467202A0034467302A0034467402A0034467502A0034467602A0034467702A0044464702A0044464802A0044465602A0044465702A0044465802A0044467702A0034468602